import java.util.Scanner;

public class Test1 {
    public static void main(String[] args)
    {
        Scanner scanner = new Scanner(System.in);
        int a = scanner.nextInt();

        if(a % 2 == 0)
            System.out.println("是偶数");
        else
            System.out.println("是奇数");
    }
    public static void main4(String[] args)
    {
        System.out.println(-1<<2);
        System.out.println(-128<<1);
    }
    public static void main3(String[] args)
    {
        int a = 1;
        int b = 2;
        //System.out.println(a && b);//错误
        System.out.println(a>4 && b/0 == 0);
        System.out.println(a>0 || b/0 == 0);
    }
    public static void main2(String[] args){
        int a = 10;
        a = a++;
        //a = ++a;
        System.out.println(a);

        System.out.println(11>=a);
    }
    public static void main1(String[] args){
        int a = 10;
        double d = 10.0;
        //a += d;
        a = a + (int)d;
        System.out.println(a);
    }
}
